Senior Staff Engineer, Firmware Engineering

About Marvell

Marvells semiconductor solutions are the essential building blocks of the data infrastructure that connects our world. Across enterprise cloud and AI and carrier architectures our innovative technology is enabling new possibilities.

At Marvell you can affect the arc of individual lives lift the trajectory of entire industries and fuel the transformative potential of tomorrow. For those looking to make their mark on purposeful and enduring innovation above and beyond fleeting trends Marvell is a place to thrive learn and lead.

Your Team Your Impact

What You Can Expect

The SW team is a key enabler for bringing products to production. As a Sr. Staff Software Engineer you will work closely with SW HW and Test teams as well as experts from systems customer support and operations to drive successful product launches. Core areas of ownership include:

• Embedded firmware running on our RISC-V-based multi-core MCU controlling our proprietary DSP data path
• C SDK provided to customers for interfacing with and controlling our product
• Python-based GUI for in-field debug status and control
• Build test and automated regression infrastructure for all of the above

In This Role You Will

• Design implement test deploy and maintain firmware for embedded systems both independently and cross-functionally
• Serve as the software expert on a block or portion of the design owning SW architecture development and testing of embedded C firmware end-to-end
• Collaborate with HW and SW teams on system requirements schematics and hardware validation
• Lead bring-ups for next-generation Marvell products and travel to worldwide offices for chip bring-up (3 weeks/yr; Ottawa California Italy Vietnam)
• Lead difficult debug efforts drive to root causes with HW/Systems teams and follow through with test validation and customer support to ensure full resolution
• Optimize firmware for performance reliability and power consumption
• Participate in and lead design reviews code reviews and debugging sessions
• Plan SW milestones develop in sprints close tickets and roll out features across multiple test disciplines
• Execute frequent firmware releases for both internal use and external customers
• Develop and maintain documentation including functional specs design documents test specifications user guides and examples
• Stay current with industry trends and emerging technologies

Example Tasks

• Mentor interns or new hires to help them ramp up and integrate into the team
• Develop Python test scripts to configure control and gather status from multiple DSP hardware platforms to improve firmware stability
• Break up and optimize subroutines to maximize efficiency across a multi-core MCU architecture
• Design and implement unit testing processes for firmware code
• Collaborate with teammates to review code analyze test results and debug complex customer issues
• Implement new temperature tracking algorithms for DSP/analog control to improve device performance across temperature ranges

What Were Looking For

• BS/MS degree in Computer Science Electrical/Software Engineering or related technical field(s); BS with 5 years of experience or MS with 23 years in memory-constrained embedded C/C firmware development
• Experience with technical ownership on embedded projects: task management release planning architecture design development code reviews testing and delivery through customer volume production
• Experience with various microprocessor architectures (ARM or RISC-V; RISC-V a plus)
• Understanding of embedded SoC and micro-controller architecture memory-mapped hardware interfaces GPIOs ISRs RTOS queuing memory management and interrupt processing
• Embedded device driver experience in communications protocols (e.g. SPI I2C MDIO UART)
• Experience writing control firmware for: CDR Flash/EEPROM Laser Driver TEC Controller
• Understanding of parameter calibration techniques (e.g. interpolation splines)
• Expert C and Python programming skills; working knowledge of git Linux makefiles gdb IDEs bash etc.
• Hands-on debug skills on real hardware using oscilloscopes logic analyzers JTAG and other embedded diagnostics tooling
• Working knowledge of hardware design schematics
• Excellent verbal and written communication skills in English; ability to collaborate across a large remotely located cross-functional organization
• Excellent multitasking skills

Preferred Qualifications

• Experience with SERDES IM-DD/Coherent DSP Ethernet/PCIe PHYs and/or Optical Module SW
• Experience designing developing and debugging software state machines transitions context saving and error handling
• Experience with mixed-signal (analogdigital) control and monitoring PID/feedback loop control etc.
• Experience with bare-metal device drivers or Linux kernel development
• Familiarity with advanced compiler options (clang/gcc preferred)
• Familiarity with digital verification test flows FPGA emulation and hardware languages such as Verilog
• Familiarity with lab equipment such as power supplies PNAs ONTs etc.
• Understanding of Ethernet networking from the OSI model with emphasis on the PHY up to the data link level
• Familiarity with forward error correction PCS framing PMA/PMD PRBS and other PHY traffic schemes
• Understanding of signal processing: histograms BER SNR sampling phase Shannon limit impulse & frequency response FFT etc.

Expected Base Pay Range (USD)

The successful candidates starting base pay will be determined based on job-related skills experience qualifications work location and market conditions. The expected base pay range for this role may be modified based on market conditions.

Additional Compensation and Benefit Elements

All qualified applicants will receive consideration for employment without regard to race color religion sex national origin sexual orientation gender identity disability or protected veteran status.

Any applicant who requires a reasonable accommodation during the selection process should contact Marvell HR Helpdesk at .

Interview Integrity

To support fair and authentic hiring practices candidates are not permitted to use AI tools (such as transcription apps real-time answer generators like ChatGPT or Copilot or automated note-taking bots) during interviews.

These tools must not be used to record assist with or enhance responses in any way. Our interviews are designed to evaluate your individual experience thought process and communication skills in real time. Use of AI tools without prior instruction from the interviewer will result in disqualification from the hiring process.

This position may require access to technology and/or software subject to U.S. export control laws and regulations including the Export Administration Regulations (EAR). As such applicants must be eligible to access export-controlled information as defined under applicable law. Marvell may be required to obtain export licensing approval from the U.S. Department of Commerce and/or the U.S. Department of State. Except for U.S. citizens lawful permanent residents or protected individuals as defined by 8 U.S.C. 1324b(a)(3) all applicants may be subject to an export license review process prior to employment.